package com.sfd.test.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.sfd.core.entity.Stock;

/**
 * @author haden
 * @date 2022/8/8 18:41
 **/
public interface StockService extends IService<Stock> {
    void sub(Long id, Integer num);

}
